23893117 has 4 divisors (see below), whose sum is σ = 23925276. Its totient is φ = 23860960.

The previous prime is 23893087. The next prime is 23893139. The reversal of 23893117 is 71139832.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3290596 + 20602521 = 1814^2 + 4539^2 .

It is a cyclic number.

It is not a de Polignac number, because 23893117 - 2²³ = 15504509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23893217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14938 + ... + 16459.

It is an arithmetic number, because the mean of its divisors is an integer number (5981319).

Almost surely, 2^23893117 is an apocalyptic number.

It is an amenable number.

23893117 is a deficient number, since it is larger than the sum of its proper divisors (32159).

23893117 is an equidigital number, since it uses as much as digits as its factorization.

23893117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32158.

The product of its digits is 9072, while the sum is 34.

The square root of 23893117 is about 4888.0586125782. The cubic root of 23893117 is about 288.0210769361.

The spelling of 23893117 in words is "twenty-three million, eight hundred ninety-three thousand, one hundred seventeen".